Home / 55,796.25-77,000.04-30,645.75

Finding the Fourth Proportional to 55,796.25, 77,000.04 and 30,645.75

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Solution

The fourth proportional to 55,796.25, 77,000.04 and 30,645.75 is: 42,291.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,796.25 : 77,000.04 = 30,645.75 : x
  2. Step 2: Convert to fraction form
    55,796.25/77,000.04 = 30,645.75/x
  3. Step 3: Cross multiply
    55,796.25x = 77,000.04 × 30,645.75
  4. Step 4: Simplify right side
    55,796.25x = 2,359,723,975.83
  5. Step 5: Solve for x
    x = 2,359,723,975.83/55,796.25
  6. Step 6: Final answer
    x = 42,291.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.